News in 5.17.0, 2025-06-28
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This is an unstable release for GNOME 49.alpha

 * New languages: astro
 * Updated languages: python3, python, css, sh, latex, php
 * Many cleanups and removal of deprecated API use across GtkSourceView
   and associated test programs.
 * Improved scrolling in GtkSourceMap
 * Documentation improvements and cleanups
 * Build system cleanups
 * Translation updates